When a group of riders is passing another vehicle on a two-lane road, the riders should: Question When a group of riders is passing another vehicle on a two-lane road, the riders should: Answers Pass in pairs. Pass in a staggered formation with several riders passing at the same time. Pass one at a time. Explanation On a two-lane road, a group of motorcyclists should pass one at a time. Each motorcyclist should complete the pass before another begins to pass.